PROGRESS REPORT ON USE OF MALEIC HYDRAZIDE FOR GRASS INHIBITION ON HIGHWAY AREAS
THE SYNTHESIS OF MALEIC HYDRAZIDE (MH) WAS FIRST REPORTED IN 1895. THE CHEMICAL WAS PREPARED AND ITS UNIQUE GROWTH-INHIBITING PROPERTIES ON GRASSES WERE OBSERVED IN OUR LABORATORIES IN 1949. MH-SPRAYED PLANTS ARE INHIBITED FOR VARYING PERIODS, DEPENDING ON DOSAGE APPLIED AND STAGE OF PLANT DEVELOPMENT AT THE TIME OF TREATMENT. THE EFFECT IS MOST PRONOUNCED WHEN YOUNG, VIGOROUSLY GROWING PLANTW ARE SPRAYED, WHEREAS APPLICATION OF AN EQUIVALENT DOSAGE TO PLANTS APPROACHING MATURITY MAY SHOW LITTLE OR NO RESPONSE. HIGH DOSAGES MAY BE HERBICIDAL. APPLICATION OF 2 OR 4 LB. OF MH PER ACRE IN THE SPRING AT THE START OF THE GROWING SEASON IS SUGGESTED FOR GRASSES IN THE MEDIAN, AND 4 LB. PER ACRE ALONG GUARD RAILS AND ROADSIDES. APPLICATION TO ESPLANADE AND ROADSIDE AREAS AT 4 LB. PER ACRE IS SUGGESTED FOR THE REST OF THE YEAR. /AUTHOR/
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Supplemental Notes:
- No 222, pp 30-35, 3 FIG. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
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Authors:
- Zukel, J W
- Publication Date: 1952
Media Info
- Media Type: Digital/other
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Serial:
- Highway Research Board Roadside Development Committee Reports
- Publisher: Highway Research Board
Subject/Index Terms
- TRT Terms: Chemicals; Control; Grasses; Vegetation
- Old TRIS Terms: Maleic hydrazide
- Subject Areas: Design; Environment; Highways;
Filing Info
- Accession Number: 00205050
- Record Type: Publication
- Files: TRIS, TRB
- Created Date: Nov 15 1971 12:00AM